[#BloombergLP-bsls-TimeInterval-isInDurationRange]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/TimeInterval.adoc[TimeInterval]::isInDurationRange
:relfileprefix: ../../../
:mrdocs:

Return `true` if the value of this time interval is within the valid range of the parameterized `DURATION_TYPE`, and `false` otherwise. Note that this function does not participate in overload resolution unless `DURATION_TYPE` is an instantiation of `std::chrono::duration`.

== Synopsis

Declared in `<bsls_timeinterval.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class DURATION_TYPE>
bool
isInDurationRange(int* = 0) const
requires TimeInterval_IsDuration<DURATION_TYPE>::value;
----


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